[patch] fix for checking the command ambiguousness.

[Pedro Alves]

Hi!

Unfortunately, I'm having trouble applying your patches.  Seems like
they're mangled somehow (line wrapped, etc.).  From your email's headers
I see you're using Thunderbird.  Could you please go through:

 http://sourceware.org/gdb/wiki/ContributionChecklist#Submitting_patches

and fix it up as necessary (and then check if you can apply
a patch that you privately send yourself?)

Thanks,
-- 
Pedro Alves